81018216

素因数分解:

$2^3\times 3^2\times {\mathrm{1125253}}^1$

素因数の和:1125265

約数の個数: 24

約数和(自身を含む): 219424530

約数和(自身を除く): 138406314

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1125253, 2250506, 3375759, 4501012, 6751518, 9002024, 10127277, 13503036, 20254554, 27006072, 40509108, 81018216]

約数ペア:

[(1, 81018216), (2, 40509108), (3, 27006072), (4, 20254554), (6, 13503036), (8, 10127277), (9, 9002024), (12, 6751518), (18, 4501012), (24, 3375759), (36, 2250506), (72, 1125253)]